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What is an 80% Lower Jig?

Posted by 80 Lower Jig, Co. on Jul 9th 2020

What is an 80% Lower Jig?
If you researched how to build an AR-15 from scratch, you've probably come across the terms "80 lower receiver" or "80% lower". These are receiver blanks that you can use to build your own black … read more

How to Build an 80% P320 Pistol

Posted by 80 Lower Jig, Co. on Jul 2nd 2020

How to Build an 80% P320 Pistol
You want a Sig Sauer P320. Good choice. But do you spent a ton of cash (and dealer fees, transfer fees, higher taxes, and the cost for a background check that might get delayed) on a "retail-bought … read more

The AR-15 Barrel & Gas Block Install Guide

Posted by 80 Lower Jig, Co. on Jun 5th 2020

The AR-15 Barrel & Gas Block Install Guide
This guide covers the steps and torque specifications required for installing the AR-15 barrel. We'll also cover how to install the gas block and tube, allowing your barreled upper to function as s … read more

80% Lower Receivers & Frames Compared

Posted by 80 Lower Jig, Co. on Jun 4th 2020

80% Lower Receivers & Frames Compared
With the 80% lower market having new manufacturers and models, the opportunity for amateur gunsmiths and builders to make new firearms at home legally has grown beyond just the AR-15. This updated … read more

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